QTechOS/kernel/drivers/opensbi/extensions/hsm.cpp

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#include "opensbi/extensions/hsm.h"
namespace drivers {
namespace opensbi::hsm {
namespace {
enum class ExtensionId {
HSM = 0x48534D
};
enum class FunctionId {
HART_START,
HART_STOP,
HART_GET_STATUS,
HART_SUSPEND
};
}
SbiRet set_hsm(
unsigned long hartid,
unsigned long start_addr,
unsigned long opaque) {
return ecall(
static_cast<sbiword_t>(ExtensionId::HSM),
static_cast<sbiword_t>(FunctionId::HART_START),
hartid,
start_addr,
opaque);
}
SbiRet hart_stop() {
return ecall(
static_cast<sbiword_t>(ExtensionId::HSM),
static_cast<sbiword_t>(FunctionId::HART_STOP));
}
SbiRet hart_get_status(unsigned long hartid) {
return ecall(
static_cast<sbiword_t>(ExtensionId::HSM),
static_cast<sbiword_t>(FunctionId::HART_GET_STATUS),
hartid);
}
SbiRet hart_suspend(
SuspendType suspend_type,
unsigned long resume_addr,
unsigned long opaque) {
return ecall(
static_cast<sbiword_t>(ExtensionId::HSM),
static_cast<sbiword_t>(FunctionId::HART_SUSPEND),
static_cast<uint32_t>(suspend_type),
resume_addr,
opaque);
}
} // End namespace opensbi::hsm
} // End namespace drivers